import { ValidationException } from './ValidationException';
/**
 * Is the value a Map with no entries?
 * See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map
 *
 * @example
 * ```ts
 * isEmptyMap(new Map()) // true
 * isEmptyMap(new Map([['foo', 'bar']])) // false
 * ```
 *
 * @param value the value to check
 * @returns a boolean indicating whether the value is the expected type
 */
export declare const isEmptyMap: <K, V>(value: unknown | Map<K, V>) => value is Map<K, V>;
/**
 * Validate that the value is a Map with no entries.
 * See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map
 *
 * @example
 * ```ts
 * validateEmptyMap(new Map()) // null
 * validateEmptyMap(new Map([['foo', 'bar']])) // ValidationException
 * ```
 *
 * @param value the value to check
 * @returns `null` if the value is the expected type or a `ValidationException`
 * if not
 */
export declare const validateEmptyMap: (value: unknown) => ValidationException | null;
/**
 * Assert that the value is a Map with no entries.
 * See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map
 *
 * @example
 * ```ts
 * assertEmptyMap(new Map()) // void
 * assertEmptyMap(new Map([['foo', 'bar']])) // throws AssertionException
 * ```
 *
 * @param value the value to check
 * @throws an `AssertionException` if the value is not the expected type
 */
export declare const assertEmptyMap: <K, V>(value: unknown | Map<K, V>) => asserts value is Map<K, V>;